Respostas

2014-04-29T20:44:34-03:00
-2.(x-3)=18
-2x+6=18
-2x=18-6
-2x=12
x=12 / -2 = -6
  • Usuário do Brainly
2014-04-29T20:47:41-03:00
-2.(X-3)=18
-2X+6=18
-2x=18-6
(-2x=12).(-1)
2x= -12
x= -12
     2
x= -6